Rules for disclosure of performance forecast of Shenzhen Stock Exchange: If Shenzhen Stock Exchange predicts that the annual operating performance will be under any of the following circumstances, it shall make a performance forecast within one month after the end of the fiscal year; If it predicts that the interim and third quarter results will be in any of the following situations, it can make a performance forecast: 1, and the net profit is negative; 2. The net profit increased or decreased by more than 50% compared with the same period of last year; 3. Turn losses into profits.

The forecast time of quarterly statements of listed companies is within 65,438+0 months after the end of the third month and the ninth month of each fiscal year. The forecast time for the first quarter is from April to April 30th, 1 year, the second quarter is from July to August 30th, and the third quarter is from June, 1 year. It should be noted that the annual report of Shenzhen Stock Exchange needs to disclose the performance forecast in advance, and quarterly and semi-annual reports are not mandatory.